Analysis Of Newton Raphson Load Flow Method With Wind Power

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Li[5] suggested Newton Raphson load flow method with wind power. Asynchronous and double fed induction generator were explained in detail and accordingly Jacobian matrices were suggested. An IEEE 5 bus system was used for case study which proved that the new NR method had a good convergence hence could be used for calculations for large grid with wind power. Steady state equivalent circuit for AG and DFIG were also discussed in the paper.

Feijoo [6] proposed two methods for simulation of wind farms with asynchronous generators for load flow analysis which were based on steady state model of induction machine. In the first model wind generator was modelled as a PQ bus with real power and power factor known and reactive power was calculated. Some improvement in steady state model of induction machine was done. In the second model an RX model was used which involved modelling the generators in steady-state in the bus where the wind farm was located.

1. 1 General
Rapid consumption of non renewable fossil fuels as sources of energy has lead to depletion of these resources. So the price of petroleum resource has increased in the international market. A growing concern over their environmental effects has lead to research and development in the area of renewable energy to find an alternative source of energy for future. Wind energy which possesses the highest power density amongst various renewable energy sources, is one such source. [27].


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